Crossword Genius

Mystery of terrible hound with no end? (8)

Ross

I believe the answer is:

whodunit

'mystery' is the definition.
('whodunit' can be a synonym of 'mystery')

'terrible hound with no end?' is the wordplay.
'terrible' indicates an anagram.
'no end?' means to remove the last letter (I've seen 'no end' mean this).
'hound'+'with'='houndwith'
'houndwith' with its last letter removed is 'houndwit'.
'houndwit' is an anagram of 'WHODUNIT'.

'of' is the link.

(Other definitions for whodunit that I've seen before include "detective novel" , "Murderer revealed at the end, US style" , "Crime mystery novel, play or film" , "Crime story (colloq.)" , "Informally, a detective story or play" .)

I've seen this clue in The Telegraph.
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